package com.ruoyi.common.utils;

import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;

/**
 * 身份证号码校验
 * @author admin
 *
 */
public class IDCardNoCK {
	public String error_mes;

	//wi =2(n-1)(mod 11)  
	final int[] wi = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1 };
	// verify digit  
	final int[] vi = { 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 };
	private int[] ai = new int[18];
	private static String[] _areaCode = { "11", "12", "13", "14", "15", "21",
			"22", "23", "31", "32", "33", "34", "35", "36", "37", "41", "42",
			"43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62",
			"63", "64", "65", "71", "81", "82", "91" };
	private static HashMap<String, Integer> dateMap;
	private static HashMap<String, String> areaCodeMap;
	static {
		dateMap = new HashMap<String, Integer>();
		dateMap.put("01", 31);
		dateMap.put("02", null);
		dateMap.put("03", 31);
		dateMap.put("04", 30);
		dateMap.put("05", 31);
		dateMap.put("06", 30);
		dateMap.put("07", 31);
		dateMap.put("08", 31);
		dateMap.put("09", 30);
		dateMap.put("10", 31);
		dateMap.put("11", 30);
		dateMap.put("12", 31);
		areaCodeMap = new HashMap<String, String>();
		for (String code : _areaCode) {
			areaCodeMap.put(code, null);
		}
	}

	//验证身份证位数,15位和18位身份证  
	public  boolean verifyLength(String code) {
		int length = code.length();
		if (length == 15 || length == 18) {
			return true;
		} else {
			error_mes = "错误：输入的身份证号不是15位和18位的";
			return false;
		}
	}

	//判断地区码  
	public boolean verifyAreaCode(String code) {
		String areaCode = code.substring(0, 2);
		//	            Element child=  _areaCodeElement.getChild("_"+areaCode);  
		if (areaCodeMap.containsKey(areaCode)) {
			return true;
		} else {
			error_mes = "错误：输入的身份证号的地区码(1-2位)[" + areaCode
					+ "]不符合中国行政区划分代码规定(GB/T2260-1999)";
			return false;
		}
	}

	//判断月份和日期  
	public boolean verifyBirthdayCode(String code) {
		//验证月份  
		String month = code.substring(10, 12);
		boolean isEighteenCode = (18 == code.length());
		if (!dateMap.containsKey(month)) {
			error_mes = "错误：输入的身份证号"
					+ (isEighteenCode ? "(11-12位)" : "(9-10位)") + "不存在["
					+ month + "]月份,不符合要求(GB/T7408)";
			return false;
		}
		//验证日期  
		String dayCode = code.substring(12, 14);
		Integer day = dateMap.get(month);
		String yearCode = code.substring(6, 10);
		Integer year = Integer.valueOf(yearCode);

		//非2月的情况  
		if (day != null) {
			if (Integer.valueOf(dayCode) > day || Integer.valueOf(dayCode) < 1) {
				error_mes = "错误：输入的身份证号"
						+ (isEighteenCode ? "(13-14位)" : "(11-13位)") + "["
						+ dayCode + "]号不符合小月1-30天大月1-31天的规定(GB/T7408)";
				return false;
			}
		}
		//2月的情况  
		else {
			//闰月的情况  
			if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) {
				if (Integer.valueOf(dayCode) > 29
						|| Integer.valueOf(dayCode) < 1) {
					error_mes = "错误：输入的身份证号"
							+ (isEighteenCode ? "(13-14位)" : "(11-13位)") + "["
							+ dayCode + "]号在" + year
							+ "闰年的情况下未符合1-29号的规定(GB/T7408)";
					return false;
				}
			}
			//非闰月的情况  
			else {
				if (Integer.valueOf(dayCode) > 28
						|| Integer.valueOf(dayCode) < 1) {
					error_mes = "错误：输入的身份证号"
							+ (isEighteenCode ? "(13-14位)" : "(11-13位)") + "["
							+ dayCode + "]号在" + year
							+ "平年的情况下未符合1-28号的规定(GB/T7408)";
					return false;
				}
			}
		}
		
		return true;
	}
    /**
     * 验证年龄
     * @function：
     * @param code 身份证号码
     * @return
     * @throws Exception      
     * @returnType：boolean      
     * @author：xupeng  
     * @createTime：Dec 8, 2014
     */
	public  boolean validateAge(String code)  { 
		String year = code.substring(6, 10);
		String month = code.substring(10, 12);
		String day = code.substring(12, 14);
		Date birthDay=DateUtils.parseDate(year+"-"+month+"-"+day);
        Calendar cal = Calendar.getInstance(); 

        if (cal.before(birthDay)) { 
            throw new IllegalArgumentException( 
                "The birthDay is before Now.It's unbelievable!"); 
        } 

        int yearNow = cal.get(Calendar.YEAR); 
        int monthNow = cal.get(Calendar.MONTH)+1; 
        int dayOfMonthNow = cal.get(Calendar.DAY_OF_MONTH); 
        
        cal.setTime(birthDay); 
        int yearBirth = cal.get(Calendar.YEAR); 
        int monthBirth = cal.get(Calendar.MONTH); 
        int dayOfMonthBirth = cal.get(Calendar.DAY_OF_MONTH); 

        int age = yearNow - yearBirth; 

        if (monthNow <= monthBirth) { 
            if (monthNow == monthBirth) { 
                if (dayOfMonthNow < dayOfMonthBirth) { 
                    age--; 
                } 
            } else { 
                age--; 
            } 
        } 
        if(age<18){
        	error_mes = "错误：年龄未满18岁";
        	return false;
        }
		return true;
    }
	//验证身份除了最后位其他的是否包含字母  
	public boolean containsAllNumber(String code) {
		String str = "";
		if (code.length() == 15) {
			str = code.substring(0, 15);
		} else if (code.length() == 18) {
			str = code.substring(0, 17);
		}
		char[] ch = str.toCharArray();
		for (int i = 0; i < ch.length; i++) {
			if (!(ch[i] >= '0' && ch[i] <= '9')) {
				error_mes = "错误：输入的身份证号第" + (i + 1) + "位包含字母";
				return false;
			}
		}
		return true;
	}

	public String getCodeError() {
		return error_mes;
	}

	//验证身份证  
	public boolean verify(String idcard) {
		error_mes = "";
		//验证身份证位数,15位和18位身份证  
		if (!verifyLength(idcard)) {
			return false;
		}
		//验证身份除了最后位其他的是否包含字母  
		if (!containsAllNumber(idcard)) {
			return false;
		}

		//如果是15位的就转成18位的身份证  
		String eifhteencard = "";
		if (idcard.length() == 15) {
			eifhteencard = uptoeighteen(idcard);
		} else {
			eifhteencard = idcard;
		}
		//验证身份证的地区码  
		if (!verifyAreaCode(eifhteencard)) {
			return false;
		}
		//判断月份和日期  
		if (!verifyBirthdayCode(eifhteencard)) {
			return false;
		}
		//验证18位校验码,校验码采用ISO 7064：1983，MOD 11-2 校验码系统  
		if (!verifyMOD(eifhteencard)) {
			return false;
		}
		return true;
	}

	//验证18位校验码,校验码采用ISO 7064：1983，MOD 11-2 校验码系统  
	public boolean verifyMOD(String code) {
		String verify = code.substring(17, 18);
		if ("x".equals(verify)) {
			code = code.replaceAll("x", "X");
			verify = "X";
		}
		String verifyIndex = getVerify(code);
		if (verify.equals(verifyIndex)) {
			return true;
		}
		//	            int x=17;  
		//	            if(code.length()==15){  
		//	                  x=14;  
		//	            }  
		error_mes = "错误：输入的身份证号最末尾的数字验证码错误";
		return false;
	}

	//获得校验位  
	public String getVerify(String eightcardid) {
		int remaining = 0;

		if (eightcardid.length() == 18) {
			eightcardid = eightcardid.substring(0, 17);
		}

		if (eightcardid.length() == 17) {
			int sum = 0;
			for (int i = 0; i < 17; i++) {
				String k = eightcardid.substring(i, i + 1);
				ai[i] = Integer.parseInt(k);
			}

			for (int i = 0; i < 17; i++) {
				sum = sum + wi[i] * ai[i];
			}
			remaining = sum % 11;
		}

		return remaining == 2 ? "X" : String.valueOf(vi[remaining]);
	}

	//15位转18位身份证  
	public String uptoeighteen(String fifteencardid) {
		String eightcardid = fifteencardid.substring(0, 6);
		eightcardid = eightcardid + "19";
		eightcardid = eightcardid + fifteencardid.substring(6, 15);
		eightcardid = eightcardid + getVerify(eightcardid);
		return eightcardid;
	}

	/**  
	 * @function：
	 * @param args      
	 * @returnType：void      
	 * @author：xupeng  
	 * @createTime：Jul 8, 2014  
	 */

	public static void main(String[] args) {
		IDCardNoCK iDCardNoCK=new IDCardNoCK();
		
		System.out.println(iDCardNoCK.verify("433130198907151722"));
		System.out.println(iDCardNoCK.error_mes);

	}

}
